Patents by Inventor Pascal A. J. Joly

Pascal A. J. Joly has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Optical glasses
    Patent number: 4057435
    Abstract: Glasses are disclosed that have a high refractive index on the order of 1.7 or greater, a low density on the order of 3 gm./cm..sup.3, good chemical durability and a dispersive index on the order of 40 or more. These glasses belong to a CaO--La.sub.2 O.sub.3 --TiO.sub.2 --B.sub.2 O.sub.3 --SiO.sub.2 family and are particularly useful in strong correction ophthalmic lenses and space optics.
    Type: Grant
    Filed: October 8, 1976
    Date of Patent: November 8, 1977
    Assignee: Corning Glass Works
    Inventors: Jean E. Boudot, Pascal A. J. Joly